# Chat with David - Humbl Design with Humbl Design

> We will discuss everything from the scope, and how Humbl Design works.

- Host: Humbl Design
- Duration: 30 min
- Location: Google Meet
- Host time zone: Europe/Prague
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/humbldesign/chat-with-david
- Event type id: 709687

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=709687&start=YYYY-MM-DD&end=YYYY-MM-DD&timeZone=<IANA time zone>
cal-api-version: 2024-09-04
```

The response is `{"data":{"YYYY-MM-DD":[{"start":"<ISO 8601 with offset>"}]}}`; no API key is needed.

## Book

```http
POST https://api.cal.com/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 709687,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "Location": "…",
    "Partnership": "…",
    "Service": "…",
    "Challenges": "…",
    "Budget": "…",
    "Timeline": "…",
    "Lead-source": "…",
    "Company-website": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Location` (Location), `Partnership` (Are you interested in premium design partnership?), `Service` (What service are you most interested in?), `Challenges` (What specific challenges are you looking to solve?), `Budget` (What's your current budget for this project?), `Timeline` (What's your timeline for getting started?), `Lead-source` (How did you hear about Humbl design?)
- Optional fields: `Company-website` (Company website)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.